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2008-2011 Mercury Mariner
Shown: 2008-2011 Mercury Mariner. Photo: IFCAR, Public domain, via Wikimedia Commons
  • Newest year: 2011
  • Gas
  • Hybrid
  • Standard SUVs

2010-2011 Mercury Mariner MPG & Fuel Cost

2 model years · 20–32 MPG combined

23 MPG
Combined
21 MPG
City
27 MPG
Highway
Annual fuel cost · Mariner 2.5L 4-cyl FWD
$2,820

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 8 of 10 standard SUV configurations, MY2011. Ranked against all rated configurations, not sales-weighted.

Previous generation: 2009

2010-2011 Mercury Mariner at a glance

The 2010-2011 Mercury Mariner covers 2 model years in the EPA database (12 configurations in all), rated 20–32 MPG combined. The newest model year, 2011, costs about $2,050 a year to fuel for its most efficient version, the Hybrid 2.5L 4-cyl FWD (32 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas and hybrid. EPA changed the ratings in 2011.

2010-2011 Mercury Mariner by model year

2010-2011 Mercury Mariner: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2011 Gas, Hybrid 20–32 MPG $2,050–$3,280 Ratings changed
2010 Gas, Hybrid 20–32 MPG $2,040–$3,270 First year

What the 2011 Mariner 2.5L 4-cyl FWD costs to drive

Per month

$235

$2,820 a year ÷ 12

Per 25 miles

$4.70

Per 100 miles

$18.80

Five years

$14,100

5 × the yearly cost, prices held at today's level

vs the standard SUV median

$660less a year

Class median $3,480 a year, MY2011

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2011 Mercury Mariner MPG

Versus 2010: The most efficient configuration stays at 32 MPG. Its annual cost goes from $2,040 to $2,050, $10 more.

Gas · 2.5L, 3.0L
Combined
20–23 MPG
Per year
$2,820–$3,280
See gas configurations
Hybrid · 2.5L
Combined
29–32 MPG
Per year
$2,050–$2,290
See hybrid configurations

Gas configurations (4)

2011 Mercury Mariner gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Mariner 2.5L 4-cyl FWD (Most efficient) 2.5L 4-cyl FWD 21 27 23 $2,820
Mariner 2.5L 4-cyl AWD 2.5L 4-cyl AWD 20 26 22 $2,940
FFV 3.0L 6-cyl FWD 3.0L 6-cyl FWD 19 25 21 $3,070
FFV 3.0L 6-cyl AWD 3.0L 6-cyl AWD 18 23 20 $3,280

Flex-fuel (E85) configurations are costed on gasoline, not E85.

Hybrid configurations (2)

2011 Mercury Mariner hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Hybrid 2.5L 4-cyl FWD (Most efficient) 2.5L 4-cyl FWD 34 30 32 $2,050
Hybrid 2.5L 4-cyl 4WD 2.5L 4-cyl 4WD 30 27 29 $2,290

2010 Mercury Mariner MPG

20–32 MPG · $2,040–$3,270/yr
Gas · 2.5L, 3.0L
Combined
20–23 MPG
Per year
$2,840–$3,270
See gas configurations
Hybrid · 2.5L
Combined
29–32 MPG
Per year
$2,040–$2,250
See hybrid configurations

Gas configurations (4)

2010 Mercury Mariner gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Mariner 2.5L 4-cyl FWD (Most efficient) 2.5L 4-cyl FWD 21 28 23 $2,840
Mariner 2.5L 4-cyl 4WD 2.5L 4-cyl 4WD 20 26 22 $2,970
FFV 3.0L 6-cyl FWD 3.0L 6-cyl FWD 19 25 21 $3,110
FFV 3.0L 6-cyl 4WD 3.0L 6-cyl 4WD 18 23 20 $3,270

Flex-fuel (E85) configurations are costed on gasoline, not E85.

Hybrid configurations (2)

2010 Mercury Mariner hybrid configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
Hybrid 2.5L 4-cyl FWD (Most efficient) 2.5L 4-cyl FWD 34 31 32 $2,040
Hybrid 2.5L 4-cyl 4WD 2.5L 4-cyl 4WD 30 27 29 $2,250

Fuel cost by state

Yearly cost of the Mariner 2.5L 4-cyl FWD: $3,840 in California and $2,460 in Texas, a $1,380 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2011 standard SUV models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

Frequently asked questions

What gas mileage does the 2010-2011 Mercury Mariner get?

EPA rates the 2010-2011 Mercury Mariner at 20–32 MPG combined across 12 configurations and 2 model years. The most efficient version, the 2011 Hybrid 2.5L 4-cyl FWD, is rated 32 MPG (34 city, 30 highway). By powertrain: Gas: 20–23 MPG; Hybrid: 29–32 MPG.

Which years had the best MPG in the 2010-2011 Mercury Mariner?

Every model year of the 2010-2011 Mercury Mariner tops out at 32 MPG combined, so no year is better than another.

Did EPA ratings change during the 2010-2011 Mercury Mariner?

Yes. Ratings changed in 2011.

How does the 2010-2011 Mercury Mariner compare with the previous generation?

The previous generation (2009 Mercury Mariner) is rated 20–32 MPG combined and costs $2,040–$3,270 a year to fuel; the 2010-2011 model is rated 20–32 MPG and costs $2,040–$3,280 a year.

How much does it cost to fuel a 2011 Mercury Mariner per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the Mariner 2.5L 4-cyl FWD costs about $2,820 a year. Across all 6 configurations the cost runs $2,050–$3,280 a year. That is a $1,230 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2011 Mercury Mariner 100 miles?

About $18.80 per 100 miles for the Mariner 2.5L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $13.67 and $21.87 across all configurations. That is the annual cost over 15,000 miles divided by 150.

How does the 2011 Mercury Mariner compare with other standard SUV configurations?

The Mariner 2.5L 4-cyl FWD costs about $2,820 a year to fuel, $660 less than the class median of $3,480, and less than 8 of 10 standard SUV configurations. The comparison covers all 307 rated standard SUV configurations for MY2011, not weighted by sales.

Is the 2011 Mercury Mariner hybrid cheaper to fuel than the gas version?

Yes. The best hybrid (Hybrid 2.5L 4-cyl FWD) is rated 32 MPG against 23 MPG for the best gas version (Mariner 2.5L 4-cyl FWD), 9 MPG more. At regular gasoline $4.36/gal (U.S. average, Sep 2026) that is $2,050 versus $2,820 a year, a saving of $770.

Is the 2011 Mercury Mariner different from the 2010 model?

The most efficient configuration stays at 32 MPG. Its annual cost goes from $2,040 to $2,050, $10 more. EPA lists 6 configurations for 2011 against 6 configurations for 2010. See the 2010 Mercury Mariner for that year.